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BOSTON MARATHON 2026

Isabella Stepic

Bib: 29320•F

MA

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0:00
0:00
/ mi
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 43%
Age Group (F18-39)
#0 / 5716
Race Day Weather
51°/41°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
25:44
3.11 mi
Rank: #18765
Start → 5K
25:44 | 8:17/mi
10K
50:12
6.21 mi
Rank: #17637 (+1128)
5K → 10K
24:28 | 7:53/mi
15K
1:14:38
9.32 mi
Rank: #17130 (+507)
10K → 15K
24:26 | 7:52/mi
20K
1:39:09
12.43 mi
Rank: #16637 (+493)
15K → 20K
24:31 | 7:54/mi
HALF
1:44:24
13.11 mi
Rank: #16558 (+79)
20K → HALF
5:15 | 7:43/mi
25K
2:03:21
15.53 mi
Rank: #16120 (+438)
HALF → 25K
18:57 | 7:49/mi
30K
2:28:28
18.64 mi
Rank: #15714 (+406)
25K → 30K
25:07 | 8:06/mi
20M
2:39:51
20.00 mi
Rank: #15681 (+33)
30K → 20M
11:23 | 8:23/mi
21M
2:48:27
21.00 mi
Rank: #15530 (+151)
20M → 21M
8:36 | 8:36/mi
35K
2:54:34
21.75 mi
Rank: #15519 (+11)
21M → 35K
6:07 | 8:11/mi
23M
3:05:29
23.00 mi
Rank: #15609 (-90)
35K → 23M
10:55 | 8:44/mi
24M
3:14:20
24.00 mi
Rank: #15762 (-153)
23M → 24M
8:51 | 8:51/mi
40K
3:22:01
24.85 mi
Rank: #15868 (-106)
24M → 40K
7:41 | 9:00/mi
25.2M
3:25:10
25.20 mi
Rank: #15853 (+15)
40K → 25.2M
3:09 | 9:09/mi
FINISH
3:33:32
26.22 mi
Rank: #15858 (-5)
25.2M → FINISH
8:22 | 8:13/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:44:24
Pace7:58 /mi
2nd Half
Distance13.11 mi
Time1:49:08
Pace8:20 /mi
📊Positive Split: 4.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:2225:448:1725:44
8:17
-
10K
6.21 mi12:14:5050:128:0524:28
7:53
-0:24
15K
9.32 mi12:39:161:14:388:0124:26
7:52
-0:01
20K
12.43 mi13:03:471:39:097:5924:31
7:54
+0:02
HALF
13.11 mi13:09:021:44:247:585:15
7:43
-0:11
25K
15.53 mi13:27:592:03:217:5718:57
7:49
+0:06
30K
18.64 mi13:53:062:28:287:5825:07
8:06
+0:17
20M
20.00 mi14:04:292:39:518:0011:23
8:23
+0:17
21M
21.00 mi14:13:052:48:278:028:36
8:36
+0:13
35K
21.75 mi14:19:122:54:348:026:07
8:11
-0:25
23M
23.00 mi14:30:073:05:298:0410:55
8:44
+0:33
24M
24.00 mi14:38:583:14:208:068:51
8:51
+0:07
40K
24.85 mi14:46:393:22:018:087:41
9:00
+0:09
25.2M
25.20 mi14:49:483:25:108:093:09
9:09
+0:09
FINISH
26.22 mi14:58:103:33:328:108:22
8:13
-0:56

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

7:43 /mi

Average Pace

8:09 /mi

Slowest Pace

9:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:54:20

82% of race

Time at Steady Pace

36:03

17% of race

Time at Slower Pace

3:09

1% of race

Average Pace: 8:09 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:50:2225:448:1725:44
8:17
#18765
10K
6.21 mi12:14:5050:128:0524:28
7:53
#17637
15K
9.32 mi12:39:161:14:388:0124:26
7:52
#17130
20K
12.43 mi13:03:471:39:097:5924:31
7:54
#16637
HALF
13.11 mi13:09:021:44:247:585:15
7:43
#16558
25K
15.53 mi13:27:592:03:217:5718:57
7:49
#16120
30K
18.64 mi13:53:062:28:287:5825:07
8:06
#15714
20M
20.00 mi14:04:292:39:518:0011:23
8:23
#15681
21M
21.00 mi14:13:052:48:278:028:36
8:36
#15530
35K
21.75 mi14:19:122:54:348:026:07
8:11
#15519
23M
23.00 mi14:30:073:05:298:0410:55
8:44
#15609
24M
24.00 mi14:38:583:14:208:068:51
8:51
#15762
40K
24.85 mi14:46:393:22:018:087:41
9:00
#15868
25.2M
25.20 mi14:49:483:25:108:093:09
9:09
#15853
FINISH
26.22 mi14:58:103:33:328:108:22
8:13
#15858
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi187656949694915885(Top 55%)5279(Top 42%)5279(Top 92%)
10K6.21 mi3.10 mi17637+11286276+6736276+67316270(Top 56%)5479(Top 44%)5479(Top 96%)
15K9.32 mi3.11 mi17130+5076006+2706006+27015885(Top 55%)5279(Top 42%)5279(Top 92%)
20K12.43 mi3.11 mi16637+4935716+2905716+29015258(Top 53%)4953(Top 39%)4953(Top 87%)
HALF13.11 mi0.68 mi16558+795670+465670+4614839(Top 51%)4641(Top 37%)4641(Top 81%)
25K15.53 mi2.42 mi16120+4385434+2365434+23613975(Top 48%)4283(Top 34%)4283(Top 75%)
30K18.64 mi3.11 mi15714+4065231+2035231+20314125(Top 49%)4471(Top 36%)4471(Top 78%)
20M20.00 mi1.36 mi15681+335230+15230+115456(Top 53%)5334(Top 42%)5334(Top 93%)
21M21.00 mi1.00 mi15530+1515158+725158+7213799(Top 48%)4487(Top 36%)4487(Top 78%)
35K21.75 mi0.75 mi15519+115173-155173-1515673(Top 54%)5565(Top 44%)5565(Top 97%)
23M23.00 mi1.25 mi15609-905250-775250-7717047(Top 59%)6455(Top 51%)6455(Top 113%)
24M24.00 mi1.00 mi15762-1535357-1075357-10718789(Top 65%)7404(Top 59%)7404(Top 130%)
40K24.85 mi0.85 mi15868-1065447-905447-9018344(Top 63%)7215(Top 57%)7215(Top 126%)
25.2M25.20 mi0.35 mi15853+155446+15446+115502(Top 53%)5701(Top 45%)5701(Top 100%)
FINISH26.22 mi1.02 mi15858-55463-175463-1716487(Top 57%)6211(Top 49%)6211(Top 109%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21
+97ft-345ft

Overall

15885

Females

5279

F18-39

5279

5K→10K

3.1 - 6.2 mi

Top 56%
×5
+79ft-138ft

Overall

16270

Females

5479

F18-39

5479

10K→15K

6.2 - 9.3 mi

Top 55%
×3
+67ft-78ft

Overall

15885

Females

5279

F18-39

5279

15K→20K

9.3 - 12.4 mi

Top 53%
×5
+106ft-86ft

Overall

15258

Females

4953

F18-39

4953

20K→HALF

12.4 - 13.1 mi

Top 51%
×2
+19ft-37ft

Overall

14839

Females

4641

F18-39

4641

HALF→25K

13.1 - 15.5 mi

Top 48%
×4
+66ft-88ft

Overall

13975

Females

4283

F18-39

4283

25K→30K

15.5 - 18.6 mi

Top 49%
×9
+181ft-148ft

Overall

14125

Females

4471

F18-39

4471

30K→20M

18.6 - 20.0 mi

Top 53%
×5
+64ft-50ft

Overall

15456

Females

5334

F18-39

5334

20M→21M

20.0 - 21.0 mi

Top 48%
×8
+106ft-24ft

Overall

13799

Females

4487

F18-39

4487

21M→35K

21.0 - 21.8 mi

Top 54%
×7
+17ft-86ft

Overall

15673

Females

5565

F18-39

5565

35K→23M

21.8 - 23.0 mi

Top 59%
×5
+23ft-63ft

Overall

17047

Females

6455

F18-39

6455

23M→24M

23.0 - 24.0 mi

Top 65%
×6
+12ft-82ft

Overall

18789

Females

7404

F18-39

7404

24M→40K

24.0 - 24.9 mi

Top 63%
×1
+6ft-20ft

Overall

18344

Females

7215

F18-39

7215

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1
+13ft-16ft

Overall

15502

Females

5701

F18-39

5701

25.2M→FINISH

25.2 - 26.2 mi

Top 57%
×2
+22ft-21ft

Overall

16487

Females

6211

F18-39

6211

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3753
Passed By
846
Net Change
+2907
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18765
5K → 10K116133+1128#18765#17637
10K → 15K54639+507#17637#17130
15K → 20K51421+493#17130#16637
20K → HALF845+79#16637#16558
HALF → 25K4468+438#16558#16120
25K → 30K43630+406#16120#15714
30K → 20M9764+33#15714#15681
20M → 21M17221+151#15681#15530
21M → 35K6958+11#15530#15519
35K → 23M71161-90#15519#15609
23M → 24M28181-153#15609#15762
24M → 40K37143-106#15762#15868
40K → 25.2M3621+15#15868#15853
25.2M → FINISH5661-5#15853#15858
TOTALS3753846+2907
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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Export & Support

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing